STOCKHOLM -- Sweden’s Prince Carl Philip and Princess Sofia said Friday they are expecting their third child.The prince, son of Sweden’s King Carl XVI Gustaf and fifth in the line of succession, and his wife said they are “happy and excited, and looking forward to welcoming our third child."The royal household said Sofia is doing well and the birth is expected for March-April.The 37-year-old prince wed Sofia Hellqvist, now 36, in June 2015.